Meaning & use
comma before of course
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Meanings
phrasefixed phrase
A punctuation question about whether to place a comma before the phrase 'of course' in a sentence.
Grammar: Used as a topic or question, not as a sentence part; it names a punctuation choice.
The editor asked about the comma before of course in the sentence 'We will, of course, attend.'
In the phrase 'comma before of course', the word 'before' shows the position being discussed.
Learners often search for 'comma before of course' to check punctuation rules.
phrasefixed phrase
The punctuation rule that a comma normally comes before 'of course' when it is a parenthetical comment in the middle or at the end of a sentence.
Grammar: Describes a writing convention; use it when explaining punctuation choices.
Patterns
- use a comma before of course
- no comma before of course
Use a comma before of course when it interrupts the sentence: 'He is, of course, the best person for the job.'
You do not need a comma before of course at the start of a sentence: 'Of course I will help you.'
In formal writing, a comma before of course is common when it adds a comment, as in 'The results, of course, were surprising.'
Common combinations
- comma before of course
- The style guide has a section on the comma before of course.
- use a comma before of course
- Many teachers say you should use a comma before of course when it is not essential.
- no comma before of course
- There is no comma before of course when it begins the sentence.
Commonly confused: comma before of course or comma after of course?
comma before of course vs comma after of course
This refers to a comma placed after 'of course', not before it. For example, 'Of course, I agree.' has a comma after 'of course'.
Practice
Which sentence correctly uses a comma before 'of course'?
Choose one answer.
When 'of course' is a parenthetical comment in the middle of a sentence, it is set off by commas on both sides. Option B does this correctly. Option A has only one comma, which is wrong; option C has no commas, which is also wrong for a parenthetical; option D splits 'of course' incorrectly.
Make it your own
Write a sentence using “comma before of course”, then check it and compare it with the examples above.